SCI7660C0B Просмотр технического описания (PDF) - Seiko Epson Corp

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производитель

SCI7660C0B

DC-DC Converter

Seiko Epson Corp 

SCI7660 Series

SPECIFICATIONS

Absolute Maximum Ratings

Parameter

Symbol

Rating

Unit

Input voltage range

VI

–10.0 to 0.5

V

Output voltage range

VO

Min. –20.0

V

Power dissipation

300 (DIP)

PD

mW

150 (SOP)

Operating temperature range

Topr

–40 to 85

˚C

Storage temperature range

Tstg

–65 to 150

˚C

Soldering temperature(for 10s). See note.

Tsol

260

˚C

Note:

Temperatures during reflow soldering must remain within the limits set out in LSI Device Precautions.

Never use solder dip to mount SCI7000 series power supply devices.

Recommended Operating Conditions

VDD = 0V, Ta = –40 to 85˚C unless otherwise noted

Parameter

Symbol

Condition

Rating

Unit

Min.

Typ.

Max.

Oscillator startup voltage

ROSC = 1MΩ,

C1/C2≤1/20, C2≥10µF, —

VSTA Ta = –40 to 85˚C

See note 1.

—

–1.5

V

ROSC = 1MΩ

—

—

–2.2

Oscillator shutdown voltage VSTP ROSC = 1MΩ

–1.5

—

—

V

Load resistance

RL

RL min

—

See note 2.

—

Ω

Output current

IO

—

—

30.0

mA

Clock frequency

fOSC

10.0

—

30.0

kHz

RC oscillator network

resistance

ROSC

680

—

2,000 kΩ

Capacitance

C1, C2

3.3

—

—

µF

Notes:

1. The recommended circuit configuration for low-voltage operation (when VI is between –1.2V and

–2.2V) is shown in the following figure. Note that diode D1 should have a maximum forward voltage of

0.6V with 1.0mA forward current.

2. RL min can be varied depending on the input voltage.

1–2

EPSON

SCI7000 Series

Technical Manual

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